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When the wheel (wheel) bearing breaks down, it is necessary to replace it. This detail, small in size, is very important, provides freedom of rotation of the hub mechanisms. It is dangerous to continue to exploit the broken one: it will jam it, and then a major accident cannot be avoided. The range offered on the car market is quite wide. In order to decide which bearing is better, it is useful to study its characteristics, features of bearings offered by different companies. Of course, your choice will affect what exactly you want: qualitatively repair your favorite car, not sparing any funds, or just make an inexpensive repair and put up a car for sale.
Structure and types of bearings
There are three types:
- conical;
- ball;
- needle-shaped.
Читать далее о лучших ступенчатых подшипниках-->Сепаратор в подшипнике создаёт удержание вращающихся деталей на одинаковом расстоянии, равномерно распределяет нагрузку, обеспечивая бесшумность и беспрепятственность вращения. Наиболее прочные, надёжные сепараторы из металла, также делают их полимерными.
Bearings are divided into open and closed, the latter is preferable, as they are protected from ingress of dirt.
Should I buy the original?
Often advised to buy original bearings. The original is the part chosen by the automaker for sale to the markets. Such details are delivered on conveyors. Buying an original bearing, you will be sure that it will suit you. But here there are several issues that need to be addressed.
The original or a fake?
Original bearings are all the same, and, having carefully studied it, you will find an engraving. It is located on the verge of the top or bottom. It should contain several data:
- manufacturer (logo);
- Country of Origin;
- designation of digital or alphanumeric details, sizes;
- additional information is possible;
- the hub nut (usually one-time) must be present in the kit; there may be pins or bolts, glands.
- SKF trademark
- Full bearing designation
- Producing country
- Production Date Code
- Deviation of the average outer diameter ∆Dm [µm] and the position of the maximum eccentricity of the outer ring
- Deviation of the average hole diameter ∆dm [µm] and the position of the maximum eccentricity of the inner ring
- Stamping, stamping
- Serial number (for bearing sets only)
- “V-shaped” marking (only agreed bearing sets)
If the country of origin is not specified, it is not an original, but a fake.
Should I overpay for the original?
As a rule, you will find completely similar bearings of different companies on the market. So is it worth paying more for the original, if other firms produce the same parts? If you decide to pay attention to any company, then select well-known, popular manufacturers supplying parts for conveyors. Someone prefers Japanese firms, some European products, for example, trust only German quality. Determine which company is better bearing the hub, who prefer, you will help our ranking of the best manufacturers. Even if these companies offer products made in China, it will be high-quality products that meet all the requirements. Pay attention not to the country of origin, but rather to the brand of the supplier.
List of Suppliers
- SNR - the largest French supplier in Europe, rightfully ranks first in product quality;
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- SKF is the second in the ratings supplier of bearing products, known in the markets for 100 years;
- NSK - also ranks second in the world, a manufacturer of wheel bearings from Japan;
- FAG - manufacturer from Germany, absorbed by the concern INA, with high quality products;
- NTN is the largest producer in Japan;
- Kouo - the third place in the ranking of manufacturers in Japan, is part of the concern Toyota;
- Timken is a manufacturer from the USA, the largest producer of tapered bearings, whose quality is exceptional.
These companies own many factories around the world, products of similar quality, meeting the most stringent requirements.
If bearings for agricultural machinery are required, then it is better to pay attention to FKL - a Russian company located in Voronezh. Details of this company for 50 years are delivered to all European countries, known for their high quality, have no analogues in the world.
Packing Companies
These companies themselves do not produce parts, but pack them in branded boxes, and often the parts take a low quality.
- Ruville is a packer interacting with product leaders and small firms;
- Optimal - a company from Poland that packs parts from Eastern Europe, China, often of poor quality;
- Corteco, QH, NK, Coparts - pack the cheapest parts, even fakes;
- CX - packer of Chinese parts with low quality.
Products offered by these firms, it is better not to take, even if they are much cheaper. The quality will be low, the details will not last long.
Bearings on cars of the Russian car industry
The domestic auto industry, engaged in the release of passenger cars, still uses in production the old types of bearings - roller single row. Only AvtoVAZ switched to the double-row Hub-type HUB-1. HUB-1 means the absence of flanges on the housing for attachment to the hub. Therefore, the owners of Russian brands of cars the question arises, which wheel bearings are better. The most common are now on Russian roads VAZ 2110, Gazelle, UAZ Hunter. Of course, you can purchase original parts, but they often turn out to be twice as expensive as similar ones from other factories. Consider the example of these particular brands of the company that produces the necessary parts.
Bearings for VAZ 2110
For the modern line of cars VAZ (except Niva 4x4, Chevy Niva) produce three sizes of wheel bearings:
- 256907 - on front-wheel drive VAZ 2108-2112;
- 256707 - на Granta, Kalina;
- 256706 - on the rear axle.
All these models belong to the HUB-1, double row, ball, closed, radial-resistant. The Lada Granta and Kalina differ only in height.
Traditional suppliers of bearings for cars from Togliatti are 5 factories:
- CJSC LADA Image - manufactures and sells through the secondary markets original Hada Lada bearings;
- Saratov Plant - produces parts under the brand name SPZ;
- Volzhsky Plant - uses the Volzhsky Standard brand;
- Vologda Plant - sells products under the brand VBF;
- Samara plant SPZ-9.
The ratio of price to quality of these plants is optimal. The cheapest is the production of the Samara plant (less than 200 rubles), other firms sell parts on average costing 230-275 rubles.
Bearings on UAZ
In the UAZ hubs, bearing 127509 is used - roller, tapered, single-row, radial-thrust. There are additional parts with the marking: A - reinforced and AK - with minor design changes. The part withstands large axial loads, because the car can be operated in difficult road conditions.
Parts of this type are manufactured by the Samara and Saratov plants, already mentioned above, as well as the Moscow GPP-2 and Lutsk (LPZ) plants.
The most affordable products from GPP-2, the cost - 182 rubles.
Bearings on Gazelle
On the front hubs of Gazelles, two conical bearings, roller, radial-thrust, single-row bearings are placed. Outdoor comes with marking 7305ASH, internal - 7307A. Both are designed to work with increased load.
Such bearings are made at the Volzhsky and Saratov factories. The kit often consists of two bearings, fasteners, grease, stopper, glands. The cost of such a set of VPZ - 350 rubles.
In addition to Russian manufacturers, there are foreign firms producing similar products, but prices are usually higher.
Before buying parts for repairing the hub, carefully examine which suppliers offer the best quality products, check that the details have the appropriate engraving. It is better not to seek to buy cheap parts of poor quality, because your safety depends on it, and such “savings” can lead to a major breakdown and a serious accident.
